The former Andy Murray's coach Mark Petchey believes that the Big Four players should be given more credit for their longevity and legacy in tennis. In an interview to Sky Sports, Petchey praised Murray himself, Roger Federer, Rafael Nadal and Novak Djokovic.

'They are actually playing longer. It was almost inevitable the players were going to start getting injuries. You have got the 'big four', who are now all in their 30s, so it is unsurprising. The fact that they are in their 30s means it should be more celebrated that the tour, with some of the changes they have made, have actually kept these players on tour more.

Previously we played five sets in the Masters 1000, the players played a lot more doubles of course because they were trying to manage making enough money. I actually think a lot of people are making a big deal about it rather than focusing on the fact that Roger is still out there.' Last week Nadal won his 33th Masters 1000 title in Toronto, and this year he conquered his 11th French Open, just a few days after turning 32. 'Most people had Rafa done before he was 30', Petchey recognized.